fftw-1.2.0run

2 x Intel Xeon E5-2620 v2 testing with a ASUS Z9PE-D8 WS (5503 BIOS) and ASPEED on CentOS Stream 9 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2407198-NE-FFTW120RU19
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debug
July 13
  1 Hour, 54 Minutes
NoGVNO2
July 14
  57 Minutes
NoGVNO3
July 15
  57 Minutes
OptNoSimplO2
July 16
  17 Minutes
2 x Intel Xeon E5-2620 v2
July 17
  17 Minutes
OptNoSimplO3
July 19
  39 Minutes
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debug

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

NoGVNO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

NoGVNO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptNoSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

2 x Intel Xeon E5-2620 v2

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

OptNoSimplO3

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 2000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850, Graphics: ASPEED, Audio: Realtek ALC898, Monitor: ASUS VW190, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-474.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

fftw-1.2.0runProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkMonitorOSKernelDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutiondebugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO32 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads)ASUS Z9PE-D8 WS (5503 BIOS)Intel Xeon E7 v2/Xeon32GB256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00PASPEEDRealtek ALC8982 x Intel 82574LCentOS Stream 95.14.0-467.el9.x86_64 (x86_64)X ServerNVIDIAGCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2ext41024x7682000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850ASUS VW1905.14.0-474.el9.x86_64 (x86_64)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: alwaysEnvironment Details- debug: CXXFLAGS=-O2 CFLAGS=-O2- NoGVNO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"- NoGVNO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"- OptNoSimplO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"- 2 x Intel Xeon E5-2620 v2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"- OptNoSimplO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"Compiler Details- Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686Processor Details- Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42eSecurity Details- gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3Result OverviewPhoronix Test Suite100%106%113%119%FFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWStock - 2D FFT Size 4096Float + SSE - 2D FFT Size 32Float + SSE - 2D FFT Size 4096Float + SSE - 2D FFT Size 64Float + SSE - 2D FFT Size 1024Float + SSE - 2D FFT Size 2048Float + SSE - 1D FFT Size 32Float + SSE - 2D FFT Size 128Float + SSE - 1D FFT Size 64Float + SSE - 1D FFT Size 1024Float + SSE - 1D FFT Size 128Float + SSE - 2D FFT Size 256Stock - 2D FFT Size 2048Stock - 2D FFT Size 1024Stock - 2D FFT Size 512Float + SSE - 1D FFT Size 256Stock - 1D FFT Size 32Stock - 1D FFT Size 1024Stock - 2D FFT Size 256Stock - 2D FFT Size 32Float + SSE - 1D FFT Size 512Float + SSE - 1D FFT Size 4096Stock - 1D FFT Size 128Stock - 2D FFT Size 64Stock - 1D FFT Size 512Float + SSE - 2D FFT Size 512Stock - 2D FFT Size 128Stock - 1D FFT Size 64Float + SSE - 1D FFT Size 2048Stock - 1D FFT Size 2048Stock - 1D FFT Size 256Stock - 1D FFT Size 4096

fftw-1.2.0runfftw: Stock - 2D FFT Size 4096fftw: Float + SSE - 2D FFT Size 32fftw: Float + SSE - 2D FFT Size 4096fftw: Float + SSE - 2D FFT Size 64fftw: Float + SSE - 2D FFT Size 1024fftw: Float + SSE - 2D FFT Size 2048fftw: Float + SSE - 1D FFT Size 32fftw: Float + SSE - 2D FFT Size 128fftw: Float + SSE - 1D FFT Size 64fftw: Float + SSE - 1D FFT Size 1024fftw: Float + SSE - 1D FFT Size 128fftw: Float + SSE - 2D FFT Size 256fftw: Stock - 2D FFT Size 2048fftw: Stock - 2D FFT Size 1024fftw: Stock - 2D FFT Size 512fftw: Float + SSE - 1D FFT Size 256fftw: Stock - 1D FFT Size 32fftw: Stock - 1D FFT Size 1024fftw: Stock - 2D FFT Size 256fftw: Stock - 2D FFT Size 32fftw: Float + SSE - 1D FFT Size 512fftw: Float + SSE - 1D FFT Size 4096fftw: Stock - 1D FFT Size 128fftw: Stock - 2D FFT Size 64fftw: Stock - 1D FFT Size 512fftw: Float + SSE - 2D FFT Size 512fftw: Stock - 2D FFT Size 128fftw: Stock - 1D FFT Size 64fftw: Float + SSE - 1D FFT Size 2048fftw: Stock - 1D FFT Size 2048fftw: Stock - 1D FFT Size 256fftw: Stock - 1D FFT Size 4096debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO32751.4164406092.71498210890.76459.17287.0117299870.61626612702114142706.63123.13780.7136794998.54285.63660.65218.715552140914420.64309.24320.4118703855.84906.8155134055.64296.23914.82756.0165486717.915878123167027.07311.411743103501614113026113992723.73091.63773.3139894967.14282.93686.75211.515560141864414.64336.74344.4118033835.54907.7154614051.34308.33895.42738.9165266717.115952122217077.77347.411952104701605913206115112736.03107.23797.5140325020.84270.03693.35219.015471143534379.54289.84345.7117503861.64897.9154574055.04290.53912.12231.1134715603.713502119036728.26805.012188101311563512789110942662.03053.13679.2136515008.94233.73671.35127.915289142434358.84337.14340.1117143812.54846.9155434046.94309.23909.52239.3133945618.513636119066665.96925.712295102291551712740110872642.13048.53736.5138315024.64178.43634.95115.015270142594354.34336.64285.8117153848.04899.5155394046.44316.13907.02200.0134145634.213740119496731.16912.7125919964.41563012850111372664.33018.73751.1137954898.04198.13616.95144.615400143174364.24354.74314.4117783839.44899.9155514031.34312.83917.4OpenBenchmarking.org

FFTW

FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 4096NoGVNO2debugNoGVNO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO36001200180024003000SE +/- 14.23, N = 3SE +/- 5.74, N = 3SE +/- 16.56, N = 3SE +/- 8.09, N = 3SE +/- 16.21, N = 3SE +/- 21.99, N = 152756.02751.42738.92239.32231.12200.0
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 4096NoGVNO2debugNoGVNO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO35001000150020002500Min: 2731.3 / Avg: 2755.97 / Max: 2780.6Min: 2741.5 / Avg: 2751.4 / Max: 2761.4Min: 2706.2 / Avg: 2738.87 / Max: 2759.9Min: 2225.6 / Avg: 2239.3 / Max: 2253.6Min: 2211.8 / Avg: 2231.1 / Max: 2263.3Min: 2042.4 / Avg: 2199.96 / Max: 2278.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 32NoGVNO2NoGVNO3debugOptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v24K8K12K16K20KSE +/- 136.41, N = 3SE +/- 139.56, N = 3SE +/- 98.77, N = 3SE +/- 131.37, N = 3SE +/- 102.53, N = 3SE +/- 107.35, N = 3165481652616440134711341413394
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 32NoGVNO2NoGVNO3debugOptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v23K6K9K12K15KMin: 16346 / Avg: 16548.33 / Max: 16808Min: 16251 / Avg: 16525.67 / Max: 16706Min: 16291 / Avg: 16440.33 / Max: 16627Min: 13276 / Avg: 13471 / Max: 13721Min: 13211 / Avg: 13414.33 / Max: 13539Min: 13266 / Avg: 13393.67 / Max: 13607

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 4096NoGVNO2NoGVNO3debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO214002800420056007000SE +/- 13.11, N = 3SE +/- 21.46, N = 3SE +/- 262.37, N = 9SE +/- 7.27, N = 3SE +/- 8.82, N = 3SE +/- 4.28, N = 36717.96717.16092.75634.25618.55603.7
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 4096NoGVNO2NoGVNO3debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO212002400360048006000Min: 6695 / Avg: 6717.9 / Max: 6740.4Min: 6676.2 / Avg: 6717.1 / Max: 6748.8Min: 4677.2 / Avg: 6092.67 / Max: 6740.5Min: 5621 / Avg: 5634.17 / Max: 5646.1Min: 5600.9 / Avg: 5618.53 / Max: 5627.8Min: 5597.5 / Avg: 5603.67 / Max: 5611.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 64NoGVNO3NoGVNO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO23K6K9K12K15KSE +/- 133.36, N = 3SE +/- 70.08, N = 3SE +/- 26.91, N = 3SE +/- 55.77, N = 3SE +/- 70.91, N = 3SE +/- 41.97, N = 3159521587814982137401363613502
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 64NoGVNO3NoGVNO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO23K6K9K12K15KMin: 15686 / Avg: 15952 / Max: 16102Min: 15780 / Avg: 15878.33 / Max: 16014Min: 14940 / Avg: 14981.67 / Max: 15032Min: 13629 / Avg: 13739.67 / Max: 13807Min: 13538 / Avg: 13636.33 / Max: 13774Min: 13422 / Avg: 13502 / Max: 13564

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1024NoGVNO2NoGVNO3OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2debug3K6K9K12K15KSE +/- 81.04, N = 3SE +/- 76.28, N = 3SE +/- 58.86, N = 3SE +/- 40.01, N = 3SE +/- 124.86, N = 3SE +/- 644.68, N = 1212316.012221.011949.011906.011903.010890.7
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1024NoGVNO2NoGVNO3OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2debug2K4K6K8K10KMin: 12159 / Avg: 12315.67 / Max: 12430Min: 12119 / Avg: 12220.67 / Max: 12370Min: 11840 / Avg: 11949 / Max: 12042Min: 11857 / Avg: 11905.67 / Max: 11985Min: 11661 / Avg: 11902.67 / Max: 12078Min: 5632.4 / Avg: 10890.73 / Max: 12351

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2048NoGVNO3NoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debug15003000450060007500SE +/- 8.17, N = 3SE +/- 11.97, N = 3SE +/- 25.37, N = 3SE +/- 33.67, N = 3SE +/- 41.03, N = 3SE +/- 44.49, N = 37077.77027.06731.16728.26665.96459.1
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2048NoGVNO3NoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debug12002400360048006000Min: 7063.5 / Avg: 7077.73 / Max: 7091.8Min: 7014.6 / Avg: 7026.97 / Max: 7050.9Min: 6685.2 / Avg: 6731.07 / Max: 6772.8Min: 6661 / Avg: 6728.17 / Max: 6766Min: 6592.6 / Avg: 6665.9 / Max: 6734.5Min: 6376.6 / Avg: 6459.13 / Max: 6529.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 32NoGVNO3NoGVNO2debug2 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO216003200480064008000SE +/- 35.65, N = 3SE +/- 79.17, N = 3SE +/- 5.79, N = 3SE +/- 64.34, N = 15SE +/- 71.46, N = 15SE +/- 24.17, N = 37347.47311.47287.06925.76912.76805.0
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 32NoGVNO3NoGVNO2debug2 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO213002600390052006500Min: 7277.2 / Avg: 7347.43 / Max: 7393.2Min: 7153.1 / Avg: 7311.43 / Max: 7391.1Min: 7276.2 / Avg: 7287.03 / Max: 7296Min: 6614 / Avg: 6925.67 / Max: 7415.7Min: 6631.9 / Avg: 6912.72 / Max: 7370.3Min: 6757.6 / Avg: 6805 / Max: 6836.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 128OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2NoGVNO3NoGVNO2debug3K6K9K12K15KSE +/- 50.90, N = 3SE +/- 82.96, N = 15SE +/- 113.85, N = 15SE +/- 92.80, N = 3SE +/- 95.52, N = 3SE +/- 84.15, N = 12125911229512188119521174311729
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 128OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2NoGVNO3NoGVNO2debug2K4K6K8K10KMin: 12492 / Avg: 12591 / Max: 12661Min: 11414 / Avg: 12295.07 / Max: 12585Min: 11279 / Avg: 12187.93 / Max: 12659Min: 11769 / Avg: 11952.33 / Max: 12069Min: 11606 / Avg: 11743.33 / Max: 11927Min: 11465 / Avg: 11728.58 / Max: 12525

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 64NoGVNO3NoGVNO22 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3debug2K4K6K8K10KSE +/- 114.62, N = 3SE +/- 99.10, N = 3SE +/- 54.50, N = 3SE +/- 33.87, N = 3SE +/- 98.25, N = 3SE +/- 172.96, N = 1510470.010350.010229.010131.09964.49870.6
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 64NoGVNO3NoGVNO22 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3debug2K4K6K8K10KMin: 10269 / Avg: 10469.67 / Max: 10666Min: 10164 / Avg: 10350.33 / Max: 10502Min: 10121 / Avg: 10229.33 / Max: 10294Min: 10066 / Avg: 10131 / Max: 10180Min: 9773.1 / Avg: 9964.37 / Max: 10099Min: 8180.8 / Avg: 9870.62 / Max: 10612

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1024debugNoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v23K6K9K12K15KSE +/- 80.85, N = 3SE +/- 67.72, N = 3SE +/- 80.68, N = 3SE +/- 43.66, N = 3SE +/- 32.22, N = 3SE +/- 112.78, N = 3162661614116059156351563015517
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1024debugNoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v23K6K9K12K15KMin: 16128 / Avg: 16266 / Max: 16408Min: 16057 / Avg: 16141 / Max: 16275Min: 15912 / Avg: 16059.33 / Max: 16190Min: 15570 / Avg: 15635 / Max: 15718Min: 15586 / Avg: 15630.33 / Max: 15693Min: 15344 / Avg: 15517.33 / Max: 15729

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 128NoGVNO3NoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debug3K6K9K12K15KSE +/- 33.80, N = 3SE +/- 160.95, N = 3SE +/- 80.49, N = 3SE +/- 84.00, N = 3SE +/- 136.77, N = 3SE +/- 136.03, N = 15132061302612850127891274012702
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 128NoGVNO3NoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debug2K4K6K8K10KMin: 13149 / Avg: 13206.33 / Max: 13266Min: 12782 / Avg: 13026.33 / Max: 13330Min: 12690 / Avg: 12850.33 / Max: 12943Min: 12643 / Avg: 12788.67 / Max: 12934Min: 12511 / Avg: 12739.67 / Max: 12984Min: 11627 / Avg: 12701.87 / Max: 13246

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 256NoGVNO3debugNoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v22K4K6K8K10KSE +/- 40.95, N = 3SE +/- 86.71, N = 3SE +/- 85.30, N = 3SE +/- 21.39, N = 3SE +/- 115.75, N = 3SE +/- 119.21, N = 3115111141411399111371109411087
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 256NoGVNO3debugNoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v22K4K6K8K10KMin: 11436 / Avg: 11511 / Max: 11577Min: 11241 / Avg: 11414 / Max: 11511Min: 11229 / Avg: 11398.67 / Max: 11499Min: 11101 / Avg: 11137 / Max: 11175Min: 10962 / Avg: 11094.33 / Max: 11325Min: 10856 / Avg: 11087.33 / Max: 11253

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 2048NoGVNO3NoGVNO2debugOptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v26001200180024003000SE +/- 12.56, N = 3SE +/- 8.21, N = 3SE +/- 3.24, N = 3SE +/- 6.56, N = 3SE +/- 6.15, N = 3SE +/- 5.49, N = 32736.02723.72706.62664.32662.02642.1
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 2048NoGVNO3NoGVNO2debugOptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v25001000150020002500Min: 2711.2 / Avg: 2735.97 / Max: 2752Min: 2708 / Avg: 2723.7 / Max: 2735.7Min: 2700.4 / Avg: 2706.57 / Max: 2711.4Min: 2656.8 / Avg: 2664.33 / Max: 2677.4Min: 2651.5 / Avg: 2662.03 / Max: 2672.8Min: 2631.4 / Avg: 2642.1 / Max: 2649.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1024debugNoGVNO3NoGVNO2OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO37001400210028003500SE +/- 15.08, N = 3SE +/- 38.36, N = 3SE +/- 13.41, N = 3SE +/- 12.20, N = 3SE +/- 13.57, N = 3SE +/- 8.28, N = 33123.13107.23091.63053.13048.53018.7
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1024debugNoGVNO3NoGVNO2OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO35001000150020002500Min: 3093.1 / Avg: 3123.1 / Max: 3140.8Min: 3034.2 / Avg: 3107.17 / Max: 3164.2Min: 3070.5 / Avg: 3091.6 / Max: 3116.5Min: 3031.3 / Avg: 3053.1 / Max: 3073.5Min: 3032.6 / Avg: 3048.5 / Max: 3075.5Min: 3005 / Avg: 3018.7 / Max: 3033.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 512NoGVNO3debugNoGVNO2OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO28001600240032004000SE +/- 10.93, N = 3SE +/- 10.97, N = 3SE +/- 13.13, N = 3SE +/- 14.36, N = 3SE +/- 41.40, N = 5SE +/- 38.03, N = 53797.53780.73773.33751.13736.53679.2
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 512NoGVNO3debugNoGVNO2OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO27001400210028003500Min: 3780 / Avg: 3797.5 / Max: 3817.6Min: 3762.5 / Avg: 3780.67 / Max: 3800.4Min: 3747 / Avg: 3773.27 / Max: 3786.7Min: 3734.8 / Avg: 3751.07 / Max: 3779.7Min: 3574.4 / Avg: 3736.54 / Max: 3795.5Min: 3578.2 / Avg: 3679.18 / Max: 3768.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 256NoGVNO3NoGVNO22 x Intel Xeon E5-2620 v2OptNoSimplO3debugOptNoSimplO23K6K9K12K15KSE +/- 28.45, N = 3SE +/- 30.75, N = 3SE +/- 67.57, N = 3SE +/- 58.29, N = 3SE +/- 98.34, N = 3SE +/- 68.09, N = 3140321398913831137951367913651
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 256NoGVNO3NoGVNO22 x Intel Xeon E5-2620 v2OptNoSimplO3debugOptNoSimplO22K4K6K8K10KMin: 13980 / Avg: 14032 / Max: 14078Min: 13930 / Avg: 13988.67 / Max: 14034Min: 13734 / Avg: 13831 / Max: 13961Min: 13727 / Avg: 13795 / Max: 13911Min: 13529 / Avg: 13678.67 / Max: 13864Min: 13519 / Avg: 13651 / Max: 13746

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO3OptNoSimplO2debugNoGVNO2OptNoSimplO311002200330044005500SE +/- 4.74, N = 3SE +/- 23.10, N = 3SE +/- 17.04, N = 3SE +/- 29.89, N = 3SE +/- 8.35, N = 3SE +/- 95.20, N = 135024.65020.85008.94998.54967.14898.0
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO3OptNoSimplO2debugNoGVNO2OptNoSimplO39001800270036004500Min: 5016.6 / Avg: 5024.63 / Max: 5033Min: 4974.7 / Avg: 5020.83 / Max: 5046.1Min: 4976.2 / Avg: 5008.93 / Max: 5033.5Min: 4939.1 / Avg: 4998.5 / Max: 5034Min: 4950.8 / Avg: 4967.07 / Max: 4978.5Min: 3765.9 / Avg: 4897.99 / Max: 5034.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1024debugNoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v29001800270036004500SE +/- 5.54, N = 3SE +/- 2.87, N = 3SE +/- 19.30, N = 3SE +/- 8.01, N = 3SE +/- 25.83, N = 3SE +/- 59.35, N = 34285.64282.94270.04233.74198.14178.4
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1024debugNoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v27001400210028003500Min: 4279.6 / Avg: 4285.63 / Max: 4296.7Min: 4278.5 / Avg: 4282.93 / Max: 4288.3Min: 4233.9 / Avg: 4269.97 / Max: 4299.9Min: 4218.3 / Avg: 4233.73 / Max: 4245.2Min: 4152.4 / Avg: 4198.07 / Max: 4241.8Min: 4063.3 / Avg: 4178.4 / Max: 4261.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 256NoGVNO3NoGVNO2OptNoSimplO2debug2 x Intel Xeon E5-2620 v2OptNoSimplO38001600240032004000SE +/- 7.11, N = 3SE +/- 13.35, N = 3SE +/- 17.09, N = 3SE +/- 23.34, N = 3SE +/- 23.89, N = 3SE +/- 37.88, N = 33693.33686.73671.33660.63634.93616.9
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 256NoGVNO3NoGVNO2OptNoSimplO2debug2 x Intel Xeon E5-2620 v2OptNoSimplO36001200180024003000Min: 3685.7 / Avg: 3693.3 / Max: 3707.5Min: 3661.5 / Avg: 3686.73 / Max: 3706.9Min: 3638.4 / Avg: 3671.33 / Max: 3695.7Min: 3613.9 / Avg: 3660.57 / Max: 3685Min: 3597.8 / Avg: 3634.87 / Max: 3679.5Min: 3559.3 / Avg: 3616.87 / Max: 3688.3

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 32NoGVNO3debugNoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v211002200330044005500SE +/- 6.35, N = 3SE +/- 7.51, N = 3SE +/- 12.52, N = 3SE +/- 41.81, N = 3SE +/- 43.81, N = 3SE +/- 6.03, N = 35219.05218.75211.55144.65127.95115.0
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 32NoGVNO3debugNoGVNO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v29001800270036004500Min: 5209 / Avg: 5219.03 / Max: 5230.8Min: 5209 / Avg: 5218.73 / Max: 5233.5Min: 5188.4 / Avg: 5211.5 / Max: 5231.4Min: 5101.6 / Avg: 5144.6 / Max: 5228.2Min: 5069.5 / Avg: 5127.93 / Max: 5213.7Min: 5103.1 / Avg: 5115.03 / Max: 5122.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 512NoGVNO2debugNoGVNO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v23K6K9K12K15KSE +/- 81.91, N = 3SE +/- 123.58, N = 3SE +/- 120.34, N = 3SE +/- 66.70, N = 3SE +/- 157.18, N = 3SE +/- 127.67, N = 3155601555215471154001528915270
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 512NoGVNO2debugNoGVNO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v23K6K9K12K15KMin: 15443 / Avg: 15560.33 / Max: 15718Min: 15406 / Avg: 15552.33 / Max: 15798Min: 15297 / Avg: 15471 / Max: 15702Min: 15303 / Avg: 15400.33 / Max: 15528Min: 14988 / Avg: 15289 / Max: 15518Min: 15045 / Avg: 15270.33 / Max: 15487

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 4096NoGVNO3OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2NoGVNO2debug3K6K9K12K15KSE +/- 135.86, N = 3SE +/- 55.79, N = 3SE +/- 82.03, N = 3SE +/- 19.46, N = 3SE +/- 80.21, N = 3SE +/- 193.73, N = 3143531431714259142431418614091
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 4096NoGVNO3OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2NoGVNO2debug2K4K6K8K10KMin: 14136 / Avg: 14352.67 / Max: 14603Min: 14223 / Avg: 14316.67 / Max: 14416Min: 14133 / Avg: 14259 / Max: 14413Min: 14212 / Avg: 14243.33 / Max: 14279Min: 14026 / Avg: 14185.67 / Max: 14279Min: 13704 / Avg: 14091 / Max: 14301

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 128debugNoGVNO2NoGVNO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v29001800270036004500SE +/- 6.43, N = 3SE +/- 2.46, N = 3SE +/- 35.10, N = 9SE +/- 2.94, N = 3SE +/- 1.43, N = 3SE +/- 3.10, N = 34420.64414.64379.54364.24358.84354.3
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 128debugNoGVNO2NoGVNO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v28001600240032004000Min: 4408.7 / Avg: 4420.57 / Max: 4430.8Min: 4410.3 / Avg: 4414.63 / Max: 4418.8Min: 4136.6 / Avg: 4379.52 / Max: 4440.4Min: 4358.4 / Avg: 4364.23 / Max: 4367.8Min: 4356.6 / Avg: 4358.83 / Max: 4361.5Min: 4350.9 / Avg: 4354.3 / Max: 4360.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 64OptNoSimplO3OptNoSimplO2NoGVNO22 x Intel Xeon E5-2620 v2debugNoGVNO39001800270036004500SE +/- 7.74, N = 3SE +/- 4.58, N = 3SE +/- 4.40, N = 3SE +/- 5.04, N = 3SE +/- 21.54, N = 3SE +/- 46.52, N = 44354.74337.14336.74336.64309.24289.8
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 64OptNoSimplO3OptNoSimplO2NoGVNO22 x Intel Xeon E5-2620 v2debugNoGVNO38001600240032004000Min: 4339.2 / Avg: 4354.67 / Max: 4362.7Min: 4331.2 / Avg: 4337.07 / Max: 4346.1Min: 4328.8 / Avg: 4336.73 / Max: 4344Min: 4327 / Avg: 4336.63 / Max: 4344Min: 4274.7 / Avg: 4309.23 / Max: 4348.8Min: 4151.4 / Avg: 4289.75 / Max: 4352.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 512NoGVNO3NoGVNO2OptNoSimplO2debugOptNoSimplO32 x Intel Xeon E5-2620 v29001800270036004500SE +/- 15.04, N = 3SE +/- 12.50, N = 3SE +/- 2.84, N = 3SE +/- 16.10, N = 3SE +/- 11.47, N = 3SE +/- 22.16, N = 34345.74344.44340.14320.44314.44285.8
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 512NoGVNO3NoGVNO2OptNoSimplO2debugOptNoSimplO32 x Intel Xeon E5-2620 v28001600240032004000Min: 4320.7 / Avg: 4345.7 / Max: 4372.7Min: 4319.5 / Avg: 4344.37 / Max: 4359Min: 4336.5 / Avg: 4340.1 / Max: 4345.7Min: 4288.5 / Avg: 4320.4 / Max: 4340.1Min: 4302.5 / Avg: 4314.37 / Max: 4337.3Min: 4252.5 / Avg: 4285.83 / Max: 4327.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 512debugNoGVNO2OptNoSimplO3NoGVNO32 x Intel Xeon E5-2620 v2OptNoSimplO23K6K9K12K15KSE +/- 97.11, N = 3SE +/- 84.01, N = 3SE +/- 61.50, N = 3SE +/- 19.97, N = 3SE +/- 37.37, N = 3SE +/- 64.54, N = 3118701180311778117501171511714
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 512debugNoGVNO2OptNoSimplO3NoGVNO32 x Intel Xeon E5-2620 v2OptNoSimplO22K4K6K8K10KMin: 11676 / Avg: 11870 / Max: 11975Min: 11643 / Avg: 11803.33 / Max: 11927Min: 11681 / Avg: 11778 / Max: 11892Min: 11712 / Avg: 11749.67 / Max: 11780Min: 11654 / Avg: 11715.33 / Max: 11783Min: 11623 / Avg: 11714.33 / Max: 11839

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 128NoGVNO3debug2 x Intel Xeon E5-2620 v2OptNoSimplO3NoGVNO2OptNoSimplO28001600240032004000SE +/- 3.71, N = 3SE +/- 4.06, N = 3SE +/- 9.25, N = 3SE +/- 21.66, N = 3SE +/- 7.88, N = 3SE +/- 31.53, N = 33861.63855.83848.03839.43835.53812.5
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 128NoGVNO3debug2 x Intel Xeon E5-2620 v2OptNoSimplO3NoGVNO2OptNoSimplO27001400210028003500Min: 3856.9 / Avg: 3861.57 / Max: 3868.9Min: 3848.4 / Avg: 3855.77 / Max: 3862.4Min: 3832.9 / Avg: 3847.97 / Max: 3864.8Min: 3796.6 / Avg: 3839.43 / Max: 3866.4Min: 3824.1 / Avg: 3835.47 / Max: 3850.6Min: 3753.9 / Avg: 3812.47 / Max: 3862

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 64NoGVNO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2NoGVNO3OptNoSimplO211002200330044005500SE +/- 3.97, N = 3SE +/- 2.78, N = 3SE +/- 4.42, N = 3SE +/- 7.41, N = 3SE +/- 5.21, N = 3SE +/- 61.09, N = 34907.74906.84899.94899.54897.94846.9
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 64NoGVNO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2NoGVNO3OptNoSimplO29001800270036004500Min: 4903.3 / Avg: 4907.67 / Max: 4915.6Min: 4901.8 / Avg: 4906.77 / Max: 4911.4Min: 4894.6 / Avg: 4899.93 / Max: 4908.7Min: 4889.6 / Avg: 4899.5 / Max: 4914Min: 4889.6 / Avg: 4897.87 / Max: 4907.5Min: 4725.1 / Avg: 4846.87 / Max: 4916.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2048OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debugNoGVNO2NoGVNO33K6K9K12K15KSE +/- 15.63, N = 3SE +/- 24.95, N = 3SE +/- 107.49, N = 3SE +/- 41.31, N = 3SE +/- 75.96, N = 3SE +/- 78.24, N = 3155511554315539155131546115457
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2048OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debugNoGVNO2NoGVNO33K6K9K12K15KMin: 15520 / Avg: 15551 / Max: 15570Min: 15496 / Avg: 15543 / Max: 15581Min: 15324 / Avg: 15538.67 / Max: 15656Min: 15443 / Avg: 15513 / Max: 15586Min: 15332 / Avg: 15461 / Max: 15595Min: 15335 / Avg: 15457.33 / Max: 15603

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2048debugNoGVNO3NoGVNO2OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO39001800270036004500SE +/- 6.96, N = 3SE +/- 8.12, N = 3SE +/- 6.84, N = 3SE +/- 18.65, N = 3SE +/- 11.79, N = 3SE +/- 6.58, N = 34055.64055.04051.34046.94046.44031.3
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2048debugNoGVNO3NoGVNO2OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO37001400210028003500Min: 4044.3 / Avg: 4055.6 / Max: 4068.3Min: 4045.1 / Avg: 4055 / Max: 4071.1Min: 4038.4 / Avg: 4051.27 / Max: 4061.7Min: 4009.7 / Avg: 4046.93 / Max: 4067.4Min: 4023.1 / Avg: 4046.43 / Max: 4061.1Min: 4019.8 / Avg: 4031.33 / Max: 4042.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO2NoGVNO2debugNoGVNO39001800270036004500SE +/- 27.37, N = 3SE +/- 24.49, N = 3SE +/- 1.60, N = 3SE +/- 1.57, N = 3SE +/- 1.72, N = 3SE +/- 15.53, N = 34316.14312.84309.24308.34296.24290.5
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO2NoGVNO2debugNoGVNO38001600240032004000Min: 4262.1 / Avg: 4316.13 / Max: 4350.7Min: 4279 / Avg: 4312.8 / Max: 4360.4Min: 4306 / Avg: 4309.2 / Max: 4310.9Min: 4306.5 / Avg: 4308.27 / Max: 4311.4Min: 4293.5 / Avg: 4296.2 / Max: 4299.4Min: 4259.7 / Avg: 4290.47 / Max: 4309.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 4096OptNoSimplO3debugNoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2NoGVNO28001600240032004000SE +/- 13.95, N = 3SE +/- 17.36, N = 3SE +/- 13.90, N = 3SE +/- 1.10, N = 3SE +/- 8.30, N = 3SE +/- 8.63, N = 33917.43914.83912.13909.53907.03895.4
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 4096OptNoSimplO3debugNoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2NoGVNO27001400210028003500Min: 3896.8 / Avg: 3917.4 / Max: 3944Min: 3881.5 / Avg: 3914.77 / Max: 3940Min: 3887.5 / Avg: 3912.13 / Max: 3935.6Min: 3907.3 / Avg: 3909.47 / Max: 3910.9Min: 3895.4 / Avg: 3907.03 / Max: 3923.1Min: 3878.1 / Avg: 3895.37 / Max: 3904.1

debug

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 13 July 2024 17:47 by user .

NoGVNO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 14 July 2024 21:56 by user .

NoGVNO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 15 July 2024 15:34 by user .

OptNoSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 16 July 2024 13:54 by user .

2 x Intel Xeon E5-2620 v2

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 17 July 2024 03:06 by user .

OptNoSimplO3

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 2000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850, Graphics: ASPEED, Audio: Realtek ALC898, Monitor: ASUS VW190, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-474.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 19 July 2024 04:22 by user .